/* 退出 */
function signOut() {
	if(isLogin!=false){
		$.ajax({
			url : "music/user/signOut",
			data : {},
			dataType : "json",
			type : "post",
			success : function(data) {
				if(data.signOutJudge!=false){
					isLogin=false;
					userNameCurrent=null;
					userIdCurrent=null;
					window.location.href = "index.html" ;
				}
			},
			error : function(data) {
			}
		});
	}
}